The cold season is almost over, very soon Summer weather will be here, and what's gonna happen ? You know it too well: your server room air-conditioning's gonna fail. Indeed, experience shows that the probability to see the server room AC fail with Summer days is directly proportional to the money the management intended to save by choosing the cheapest contractor. Unfortunately, we won't be able to fix your air conditioning, but we can help you to manage the crisis.
According to Google, there are quite a few people landing on our web site when searching for a laptop USB led light. Well, we don't sell this kind of product... but we can show you how to build one using a Yocto-Color. It will cost about the same as a regular one, but you will be able to change its color at will, it will be programmable, and you will be proud to have built it yourself.
Most examples that we provided so far to interact with Yoctopuce USB sensors use sequential function calls. This is called the procedural approach, using polling. We recommend this technique as a starting point, because it is generally more intuitive and less risky. There is, however, an alternative approach, sometimes more convenient: the event-based technique, using callbacks. This is the new API feature that we present today.
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